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Fritz Hellige und Co GmbH

Fritz Hell

Active Patents

0

Total Holdings

5

Patent Holdings

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Patent No.	Title	Status	Filing Date	Grant Date	Claims	Actions
US3533401A	Apparatus for automatically measuring blood pressure	Expired / Lapsed	1967-07-27	1970-10-13	0	Details
US3513850A	Direct current defibrillator with voltage-controlling means	Expired / Lapsed	1967-07-25	1970-05-26	0	Details
US3490442A	Electrode with contact-forming suction cup means	Expired / Lapsed	1967-02-02	1970-01-20	0	Details
US3478364A	Recorder having distinguishable records	Expired / Lapsed	1968-07-02	1969-11-11	0	Details
US3374485A	Calibration apparatus for physiological and biological meas…	Expired / Lapsed	1966-11-04	1968-03-19	2	Details